A train leaves the station at time t = 0. Traveling at a constant speed, the train travels 390 kilometers in 3 hours. Answer parts a and b.

a. Write a function that relates the distance traveled d to the time t.
The function that relates the distance traveled d to the time t is
(Type an equation.)

b. Graph the function, and tell weather it is a linear function or a nonlinear function

Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below.correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance.what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Find the least common denominator for thesetvo rational expressions.n^2/n^2+4n+4 -3/n^2+7n+10